Contigo West Loop AutoSeal 20 oz Travel Mug Double wall insulated Matte Black Patented AUTOSEAL lid automatically seals between sips to eliminate spills and leaks^Lid underside flips open completely for easy cleaning^Double-wall vacuum-insulated stainless steel keeps beverages hot for 5 hours or cold for 12 hours^Top-rack dishwasher safe lid; 100% BPA free^Fits most single-serve brewers and car cup holders